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2025 Seattle mayoral election

Updated: Wikipedia source

2025 Seattle mayoral election

The 2025 Seattle mayoral election was held on November 4, 2025, with a primary election on August 5, 2025, to elect the mayor of Seattle. Incumbent Mayor Bruce Harrell ran for re-election to a second term and was challenged by community organizer Katie Wilson, who placed first in the August nonpartisan primary. The Seattle Times and other outlets called the election for Wilson a week after election day, with Harrell conceding to Wilson on November 13. Wilson ultimately won by a margin of 0 %, the closest mayoral election in Seattle by percentage since 1906.

Infobox

Turnout
55%
Candidate
Katie Wilson
Popular vote
138,931
Percentage
50 %

Tables

· Primary election › Polling
Change Research (D)
Change Research (D)
Poll source
Change Research (D)
Date(s) administered
July 23–25, 2025
Sample size
651 (LV)
Margin of error
± 4 %
Bruce Harrell
29%
Joe Mallahan
3%
Katie Wilson
27%
Other
1%
Undecided
24%
33%
33%
Poll source
33%
Date(s) administered
3%
Sample size
31%
Margin of error
3%
Bruce Harrell
27%
Poll source
Date(s) administered
Sample size
Margin of error
Bruce Harrell
Joe Mallahan
Katie Wilson
Other
Undecided
Change Research (D)
July 23–25, 2025
651 (LV)
± 4 %
29%
3%
27%
1%
24%
33%
3%
31%
3%
27%
Nonpartisan primary results · Primary election › Results
Katie Wilson
Katie Wilson
Candidate
Katie Wilson
Candidate
98,562
Votes
50
Bruce Harrell (incumbent)
Bruce Harrell (incumbent)
Candidate
Bruce Harrell (incumbent)
Candidate
80,043
Votes
41
Joe Mallahan
Joe Mallahan
Candidate
Joe Mallahan
Candidate
8,538
Votes
4
Ry Armstrong
Ry Armstrong
Candidate
Ry Armstrong
Candidate
2,120
Votes
1
Clinton Bliss
Clinton Bliss
Candidate
Clinton Bliss
Candidate
2,046
Votes
1
Isaiah Willoughby
Isaiah Willoughby
Candidate
Isaiah Willoughby
Candidate
817
Votes
0
Joe Molloy
Joe Molloy
Candidate
Joe Molloy
Candidate
799
Votes
0
Thaddeus Whelan
Thaddeus Whelan
Candidate
Thaddeus Whelan
Candidate
716
Votes
0
Write-in
Write-in
Candidate
Write-in
Candidate
588
Votes
0
Total votes
Total votes
Candidate
Total votes
Candidate
198,071
Votes
100
Candidate
Votes
%
Katie Wilson
98,562
50
Bruce Harrell (incumbent)
80,043
41
Joe Mallahan
8,538
4
Ry Armstrong
2,120
1
Clinton Bliss
2,046
1
Isaiah Willoughby
817
0
Joe Molloy
799
0
Thaddeus Whelan
716
0
Write-in
588
0
Total votes
198,071
100
· General election › Polling
Change Research (D)
Change Research (D)
Poll source
Change Research (D)
Date(s) administered
October 19–23, 2025
Sample size
615 (LV)
Margin of error
± 4 %
Bruce Harrell
36%
Katie Wilson
44%
Other
–
Undecided
20%
40%
40%
Poll source
40%
Date(s) administered
45%
Sample size
4%
Margin of error
11%
DHM Research
DHM Research
Poll source
DHM Research
Date(s) administered
October 6–13, 2025
Sample size
400 (LV)
Margin of error
± 4 %
Bruce Harrell
38%
Katie Wilson
42%
Other
–
Undecided
20%
600 (RV)
600 (RV)
Poll source
600 (RV)
Date(s) administered
34%
Sample size
46%
Margin of error
–
Bruce Harrell
20%
Change Research (D)
Change Research (D)
Poll source
Change Research (D)
Date(s) administered
July 23–25, 2025
Sample size
651 (LV)
Margin of error
± 4 %
Bruce Harrell
37%
Katie Wilson
40%
Other
–
Undecided
24%
Change Research (D)
Change Research (D)
Poll source
Change Research (D)
Date(s) administered
May 10–14, 2025
Sample size
522 (LV)
Margin of error
± 4 %
Bruce Harrell
25%
Katie Wilson
18%
Other
–
Undecided
56%
Poll source
Date(s) administered
Sample size
Margin of error
Bruce Harrell
Katie Wilson
Other
Undecided
Change Research (D)
October 19–23, 2025
615 (LV)
± 4 %
36%
44%
–
20%
40%
45%
4%
11%
DHM Research
October 6–13, 2025
400 (LV)
± 4 %
38%
42%
–
20%
600 (RV)
34%
46%
–
20%
Change Research (D)
July 23–25, 2025
651 (LV)
± 4 %
37%
40%
–
24%
Change Research (D)
May 10–14, 2025
522 (LV)
± 4 %
25%
18%
–
56%
General election results · General election › Results
Katie Wilson
Katie Wilson
Candidate
Katie Wilson
Candidate
138,931
Votes
50
Bruce Harrell (incumbent)
Bruce Harrell (incumbent)
Candidate
Bruce Harrell (incumbent)
Candidate
136,920
Votes
49
Write-in
Write-in
Candidate
Write-in
Candidate
911
Votes
0
Total votes
Total votes
Candidate
Total votes
Candidate
280,375
Votes
100
Candidate
Votes
%
Katie Wilson
138,931
50
Bruce Harrell (incumbent)
136,920
49
Write-in
911
0
Total votes
280,375
100
· General election › Results › By congressional district
7th (part)
7th (part)
District
7th (part)
Wilson, #
114,608
Wilson, %
48 %
Harrell, #
118,653
Harrell, %
50 %
Representative
Pramila Jayapal
9th (part)
9th (part)
District
9th (part)
Wilson, #
24,323
Wilson, %
56 %
Harrell, #
18,267
Harrell, %
42 %
Representative
Adam Smith
District
Wilson, #
Wilson, %
Harrell, #
Harrell, %
Representative
7th (part)
114,608
48 %
118,653
50 %
Pramila Jayapal
9th (part)
24,323
56 %
18,267
42 %
Adam Smith

References

  1. Key: A – all adults RV – registered voters LV – likely voters V – unclear
  2. Bliss with 1%; Armstrong, Molloy, Whelan, and Willoughby with 0%
  3. With voters who lean towards a given candidate
  4. "Would not vote" with 2%; Bliss with 1%; Armstrong, Molloy, Whelan, and Willoughby with 0%
  5. "Would not vote" with 4%
  6. This poll was sponsored by the Northwest Progressive Institute
  7. This poll was sponsored by The Stranger
  8. "Election Results: November 04, 2025 - Official Final Election Results"
    https://election-results-01.kingcounty.gov/results.pdf
  9. The Seattle Times
    https://www.seattletimes.com/seattle-news/politics/katie-wilson-takes-lead-over-bruce-harrell-in-seattle-mayor-race/
  10. KOMO
    https://komonews.com/news/local/as-final-ballots-are-counted-into-system-wilson-maintains-mayoral-lead-over-harrell-seattle-mayor-winner-loser-challenge-voting-socialism-democrat-homeless-housing-cost-of-living-environment-addction-key-issues
  11. Seattle Ethics and Elections Commission
    https://web6.seattle.gov/ethics/elections/faqs.aspx?cycle=2025
  12. The Seattle Times
    https://www.seattletimes.com/seattle-news/politics/2025-seattle-mayoral-election-results-katie-wilson-and-bruce-harrell-leading/
  13. The Seattle Times
    https://www.seattletimes.com/seattle-news/politics/katie-wilson-elected-seattles-next-mayor/
  14. www
    https://www.kuow.org/stories/bruce-harrell-concedes-seattle-mayoral-race-to-katie-wilson
  15. Axios
    https://www.axios.com/local/seattle/2025/11/13/seattle-mayor-race-results-history-wilson-harrell-closest
  16. KUOW
    https://thankyou.kuow.org/stories/seattle-mayor-bruce-harrell-is-running-for-re-election-in-2025
  17. KCTS-TV
    https://www.cascadepbs.org/politics/2025/03/activist-katie-wilson-enters-seattle-mayoral-race-against-harrell
  18. The Stranger
    https://www.thestranger.com/news/2024/12/24/79839693/mayor-harrell-seems-unbeatable-because-his-old-political-opponents-arent-trying-to-beat-him
  19. KCTS-TV
    https://www.cascadepbs.org/politics/2025/01/seattleites-will-vote-competing-measures-fund-social-housing
  20. KING-TV
    https://www.king5.com/article/news/politics/elections/seattle-housing-school-levies-approved-february-special-election/281-fc4c10b3-6428-409d-a17b-bd8b9223fc23
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